Franklin Story Musgrave is an American physician and a retired NASA astronaut. He is a public speaker and consultant to both Disney's Imagineering group and Applied Minds in California. In 1996, he became only the second astronaut to fly on six spaceflights, and he is the most formally educated astronaut with six academic degrees along with astronaut Lee Morin. Musgrave is the only astronaut to have flown aboard all five Space Shuttle orbiters.